Find the solutions to the system y=x^2+8x+2 y=7x+4

On a given workday, the probability that Kevin eats breakfast is 54% and the probability he has a meeting in the morning is 20%.

Use scientific notation to estimate the number of inches in 1,225 miles. Include all calculations in your final answer. 1 inch ≈ 1.578 * 10 - 5 miles.

An elephant can run 1/4 of a mile in 36 seconds at this rate which expression can be used to determine how fast an elephant run in miles per hour

X is a normally distributed random variable with mean 71 and standard deviation 9. What is the probability that X is between 60 and 82? Write your answer as a decimal rounded to the nearest thousandth.

Kepler's 3rd law says what?

Let g (x) = x^2-5x+2 g (-1)

What does three fourths minus one half equal?

Solve for x (X+7) / a=7b

What x-value makes the set of ratios equivalent? 2 : 3 = 6 : x 4 : 7 = x : 42 2x : 48 = 3 : 12 12 : 15 = x : 20

Robert has 8 marbles, and Taylor has 12 more marbles tan Robert. what is the simplified ratio for Robert's marbles to Taylor's marbles?